ถ้ำสวยสุดยอดในโลก

Phong Nha Cave (ถ้ำใหญ่ที่สุดและสวยที่สุดในเวียดนาม)

Cave of the Crystals (Chihuahua, Mexico)

Waitomo Glowworm Cave (North Island of New Zealand)

Ali Sadr Cave, Hamadan Iran (north of Hamadan, western Iran)

Velebit caves of Croatia

Crystal Cave (Sequoia National Park, in the U.S. state of California)

Yellow Dragon Cave (Xixialing in West Lake tourist zone in Hangzhou City)

Lechuguilla Cave (Carlsbad Caverns National Park, New Mexico)

Eisriesenwelt Cave (ice cave located in Werfen, Austria)

ถ้ำมรกต (THAILAND) ^^